./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:41:12,456 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:41:12,577 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-21 18:41:12,583 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:41:12,584 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:41:12,623 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:41:12,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:41:12,625 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:41:12,626 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:41:12,631 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:41:12,632 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:41:12,633 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:41:12,633 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:41:12,635 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:41:12,635 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:41:12,636 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:41:12,636 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:41:12,637 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:41:12,637 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:41:12,638 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:41:12,638 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:41:12,639 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:41:12,640 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:41:12,640 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:41:12,641 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:41:12,641 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:41:12,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:12,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:41:12,643 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:41:12,644 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:41:12,645 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:41:12,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:41:12,646 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:41:12,646 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2023-11-21 18:41:12,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:41:12,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:41:12,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:41:12,992 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:41:12,992 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:41:12,994 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread/stack_longest-1.i [2023-11-21 18:41:16,265 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:41:16,621 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:41:16,622 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/sv-benchmarks/c/pthread/stack_longest-1.i [2023-11-21 18:41:16,647 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/bin/ukojak-verify-i0I2FZA1j2/data/bdb78df6e/b12af39622bc42c0a1a2d3d39e7b6f23/FLAG8a2bc7904 [2023-11-21 18:41:16,667 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/bin/ukojak-verify-i0I2FZA1j2/data/bdb78df6e/b12af39622bc42c0a1a2d3d39e7b6f23 [2023-11-21 18:41:16,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:41:16,679 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:41:16,683 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:16,684 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:41:16,689 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:41:16,690 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:16" (1/1) ... [2023-11-21 18:41:16,692 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b49f1a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:16, skipping insertion in model container [2023-11-21 18:41:16,693 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:16" (1/1) ... [2023-11-21 18:41:16,779 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:41:17,353 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2023-11-21 18:41:17,388 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:17,404 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:41:17,452 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2023-11-21 18:41:17,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:17,568 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:41:17,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:17 WrapperNode [2023-11-21 18:41:17,569 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:17,570 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:17,570 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:41:17,570 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:41:17,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:17" (1/1) ... [2023-11-21 18:41:17,600 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:17" (1/1) ... [2023-11-21 18:41:17,633 INFO L138 Inliner]: procedures = 278, calls = 41, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 147 [2023-11-21 18:41:17,633 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:17,634 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:41:17,634 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:41:17,635 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:41:17,646 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:17" (1/1) ... [2023-11-21 18:41:17,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:17" (1/1) ... [2023-11-21 18:41:17,651 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:17" (1/1) ... [2023-11-21 18:41:17,658 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:17" (1/1) ... [2023-11-21 18:41:17,669 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:17" (1/1) ... [2023-11-21 18:41:17,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:17" (1/1) ... [2023-11-21 18:41:17,676 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:17" (1/1) ... [2023-11-21 18:41:17,678 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:17" (1/1) ... [2023-11-21 18:41:17,683 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:41:17,684 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:41:17,684 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:41:17,684 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:41:17,685 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:17" (1/1) ... [2023-11-21 18:41:17,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:17,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:41:17,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:41:17,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:41:17,780 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-21 18:41:17,781 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-21 18:41:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-21 18:41:17,781 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-21 18:41:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:41:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:41:17,784 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 18:41:17,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:41:17,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:41:17,784 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-21 18:41:17,785 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-21 18:41:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 18:41:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:41:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-21 18:41:17,785 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-21 18:41:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:41:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:41:17,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:41:17,788 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:41:18,028 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:41:18,031 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:41:18,341 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:41:18,385 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:41:18,385 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:41:18,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:18 BoogieIcfgContainer [2023-11-21 18:41:18,388 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:41:18,389 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:41:18,389 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:41:18,400 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:41:18,401 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:18" (1/1) ... [2023-11-21 18:41:18,402 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 18:41:18,407 INFO L158 Benchmark]: Toolchain (without parser) took 1727.35ms. Allocated memory is still 140.5MB. Free memory was 95.8MB in the beginning and 82.5MB in the end (delta: 13.3MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2023-11-21 18:41:18,407 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 102.8MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:41:18,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 886.00ms. Allocated memory is still 140.5MB. Free memory was 95.8MB in the beginning and 106.8MB in the end (delta: -11.0MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2023-11-21 18:41:18,409 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.62ms. Allocated memory is still 140.5MB. Free memory was 106.8MB in the beginning and 104.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:41:18,410 INFO L158 Benchmark]: Boogie Preprocessor took 48.81ms. Allocated memory is still 140.5MB. Free memory was 104.2MB in the beginning and 102.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:41:18,411 INFO L158 Benchmark]: RCFGBuilder took 704.29ms. Allocated memory is still 140.5MB. Free memory was 102.1MB in the beginning and 83.8MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 18:41:18,411 INFO L158 Benchmark]: CodeCheck took 16.27ms. Allocated memory is still 140.5MB. Free memory was 83.8MB in the beginning and 82.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:41:18,415 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 102.8MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 886.00ms. Allocated memory is still 140.5MB. Free memory was 95.8MB in the beginning and 106.8MB in the end (delta: -11.0MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.62ms. Allocated memory is still 140.5MB. Free memory was 106.8MB in the beginning and 104.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.81ms. Allocated memory is still 140.5MB. Free memory was 104.2MB in the beginning and 102.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 704.29ms. Allocated memory is still 140.5MB. Free memory was 102.1MB in the beginning and 83.8MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 16.27ms. Allocated memory is still 140.5MB. Free memory was 83.8MB in the beginning and 82.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:41:18,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:41:21,223 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:41:21,352 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-21 18:41:21,402 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:41:21,404 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:41:21,404 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:41:21,405 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:41:21,405 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:41:21,406 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:41:21,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:41:21,407 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:41:21,408 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:41:21,408 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:41:21,409 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:41:21,409 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:41:21,410 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:41:21,411 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:41:21,411 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:41:21,412 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:41:21,412 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:41:21,413 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:41:21,413 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:41:21,414 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:41:21,414 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:41:21,415 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:41:21,415 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:41:21,416 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:41:21,416 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:41:21,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:21,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:41:21,418 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:41:21,419 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:41:21,419 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:41:21,420 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:41:21,420 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:41:21,420 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:41:21,421 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:41:21,421 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2023-11-21 18:41:21,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:41:21,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:41:21,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:41:21,938 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:41:21,939 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:41:21,941 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread/stack_longest-1.i [2023-11-21 18:41:25,359 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:41:25,684 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:41:25,684 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/sv-benchmarks/c/pthread/stack_longest-1.i [2023-11-21 18:41:25,718 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/bin/ukojak-verify-i0I2FZA1j2/data/5c5828338/6b1b7e6d9d9f4dc6b2bb891c65020abc/FLAG4ca4b4493 [2023-11-21 18:41:25,734 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/bin/ukojak-verify-i0I2FZA1j2/data/5c5828338/6b1b7e6d9d9f4dc6b2bb891c65020abc [2023-11-21 18:41:25,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:41:25,755 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:41:25,761 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:25,762 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:41:25,768 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:41:25,769 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:25" (1/1) ... [2023-11-21 18:41:25,770 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@622047e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:25, skipping insertion in model container [2023-11-21 18:41:25,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:25" (1/1) ... [2023-11-21 18:41:25,866 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:41:26,434 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2023-11-21 18:41:26,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:26,482 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:41:26,537 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2023-11-21 18:41:26,560 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:26,674 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:41:26,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:26 WrapperNode [2023-11-21 18:41:26,674 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:26,676 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:26,676 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:41:26,676 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:41:26,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:26" (1/1) ... [2023-11-21 18:41:26,709 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:26" (1/1) ... [2023-11-21 18:41:26,750 INFO L138 Inliner]: procedures = 282, calls = 41, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 143 [2023-11-21 18:41:26,751 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:26,752 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:41:26,752 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:41:26,752 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:41:26,761 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:26" (1/1) ... [2023-11-21 18:41:26,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:26" (1/1) ... [2023-11-21 18:41:26,784 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:26" (1/1) ... [2023-11-21 18:41:26,784 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:26" (1/1) ... [2023-11-21 18:41:26,799 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:26" (1/1) ... [2023-11-21 18:41:26,810 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:26" (1/1) ... [2023-11-21 18:41:26,814 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:26" (1/1) ... [2023-11-21 18:41:26,817 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:26" (1/1) ... [2023-11-21 18:41:26,822 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:41:26,823 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:41:26,824 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:41:26,824 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:41:26,840 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:26" (1/1) ... [2023-11-21 18:41:26,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:26,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:41:26,882 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:41:26,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:41:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:41:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-21 18:41:26,930 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-21 18:41:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-21 18:41:26,931 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-21 18:41:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:41:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:41:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:41:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:41:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-21 18:41:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 18:41:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-21 18:41:26,932 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-21 18:41:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 18:41:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:41:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-21 18:41:26,932 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-21 18:41:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:41:26,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:41:26,934 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:41:27,141 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:41:27,143 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:41:27,407 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:41:27,435 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:41:27,436 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:41:27,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:27 BoogieIcfgContainer [2023-11-21 18:41:27,438 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:41:27,439 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:41:27,439 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:41:27,449 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:41:27,450 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:27" (1/1) ... [2023-11-21 18:41:27,451 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 18:41:27,461 INFO L158 Benchmark]: Toolchain (without parser) took 1704.99ms. Allocated memory is still 121.6MB. Free memory was 101.1MB in the beginning and 74.4MB in the end (delta: 26.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-21 18:41:27,461 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 67.1MB. Free memory is still 44.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:41:27,462 INFO L158 Benchmark]: CACSL2BoogieTranslator took 914.40ms. Allocated memory is still 121.6MB. Free memory was 101.1MB in the beginning and 69.8MB in the end (delta: 31.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-21 18:41:27,463 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.18ms. Allocated memory is still 121.6MB. Free memory was 69.8MB in the beginning and 98.1MB in the end (delta: -28.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:41:27,465 INFO L158 Benchmark]: Boogie Preprocessor took 71.03ms. Allocated memory is still 121.6MB. Free memory was 98.1MB in the beginning and 96.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:41:27,466 INFO L158 Benchmark]: RCFGBuilder took 614.59ms. Allocated memory is still 121.6MB. Free memory was 96.1MB in the beginning and 75.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 18:41:27,466 INFO L158 Benchmark]: CodeCheck took 20.67ms. Allocated memory is still 121.6MB. Free memory was 75.1MB in the beginning and 74.4MB in the end (delta: 660.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:41:27,477 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 67.1MB. Free memory is still 44.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 914.40ms. Allocated memory is still 121.6MB. Free memory was 101.1MB in the beginning and 69.8MB in the end (delta: 31.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.18ms. Allocated memory is still 121.6MB. Free memory was 69.8MB in the beginning and 98.1MB in the end (delta: -28.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.03ms. Allocated memory is still 121.6MB. Free memory was 98.1MB in the beginning and 96.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 614.59ms. Allocated memory is still 121.6MB. Free memory was 96.1MB in the beginning and 75.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 20.67ms. Allocated memory is still 121.6MB. Free memory was 75.1MB in the beginning and 74.4MB in the end (delta: 660.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:41:27,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c82947-fd71-4547-b4b1-8fea7378450f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported